featuremgmt/featuremgr/src/clientdll/featmgr.cpp
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     1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 //
       
    15 
       
    16 
       
    17 
       
    18 // INCLUDE FILES
       
    19 #include <featmgr/featmgr.h>
       
    20 #include "featmgrtlsdata.h"
       
    21 #include <featmgr/featurecontrol.h>
       
    22 #include "featmgrdebug.h"
       
    23 #include <e32std.h>
       
    24 
       
    25 // LOCAL CONSTANTS AND MACROS
       
    26 _LIT( KPanicCategory, "FeatMgr" );
       
    27 
       
    28 
       
    29 // ============================= LOCAL FUNCTIONS ===============================
       
    30 
       
    31 // ============================ MEMBER FUNCTIONS ===============================
       
    32 
       
    33 // -----------------------------------------------------------------------------
       
    34 // FeatureManager::InitializeLibL()
       
    35 // -----------------------------------------------------------------------------
       
    36 //
       
    37 EXPORT_C void FeatureManager::InitializeLibL()
       
    38     {
       
    39 	FUNC_LOG
       
    40 
       
    41     if ( !Dll::Tls() )
       
    42         {
       
    43         Dll::SetTls( CFeatMgrTlsData::NewL() );
       
    44         }
       
    45 
       
    46 	// Increase the client count (self)
       
    47 	TlsData()->IncreaseClientCount();
       
    48 	}
       
    49 
       
    50 // -----------------------------------------------------------------------------
       
    51 // FeatureManager::UnInitializeLibL()
       
    52 // -----------------------------------------------------------------------------
       
    53 //
       
    54 EXPORT_C void FeatureManager::UnInitializeLib()
       
    55     {
       
    56 	FUNC_LOG
       
    57 
       
    58     if ( Dll::Tls() )
       
    59 		{
       
    60 		CFeatMgrTlsData::DeleteClient();
       
    61         }
       
    62     }
       
    63 
       
    64 // -----------------------------------------------------------------------------
       
    65 // FeatureManager::FeatureSupported()
       
    66 // -----------------------------------------------------------------------------
       
    67 //
       
    68 EXPORT_C TBool FeatureManager::FeatureSupported( TInt aFeature )
       
    69     {
       
    70     TFeatureEntry feature( TUid::Uid(aFeature) );
       
    71     TInt err( TlsData()->FeatureSupported( feature ) );
       
    72 
       
    73     return (( err > 0 ) ? ETrue : EFalse );
       
    74     }
       
    75 
       
    76 // -----------------------------------------------------------------------------
       
    77 // FeatureManager::TlsData()
       
    78 // -----------------------------------------------------------------------------
       
    79 //
       
    80 CFeatMgrTlsData* FeatureManager::TlsData()
       
    81     {
       
    82     CFeatMgrTlsData* tlsData = STATIC_CAST( CFeatMgrTlsData*, Dll::Tls() );
       
    83 
       
    84     __ASSERT_ALWAYS( tlsData, User::Panic( KPanicCategory, ELibNotInitialized ) );
       
    85 
       
    86     return tlsData;
       
    87     }
       
    88     
       
    89 //  End of File